They combined the worst parts of Java with the worst parts of JavaScript. - Verboseness - Patterns - No type safety (combined with that dishonest “optional t

They combined the worst parts of Java with the worst parts of JavaScript. - Verboseness - Patterns - No type safety (combined with that dishonest “optional typing” non-sense) - No traits (didn't they get the memo that single implementation inheritance didn't work out?) - Map being no Iterable - No HOFs in the collection library - nulls even for primitive types, ... I don't like superlatives, but I'm pretty confident calling Dart the worst language I have seen. The only mistake they missed are probably Checked Exceptions.